methyl 5-azido-5-deoxy-2,3-O-isopropylidene-b-ribofuranoside 、
Carbonic acid 3-methyl-tetrahydro-thiophen-3-yl ester pyridin-2-yl ester 在
palladium on activated charcoal
氢气 、
三乙胺 作用下,
以
四氢呋喃 为溶剂,
以80%的产率得到((3aR,4R,6R,6aR)-6-Methoxy-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-ylmethyl)-carbamic acid 3-methyl-tetrahydro-thiophen-3-yl ester